Quick answers
- Does Claudia Montana-Collins accept Medicare assignment?
- Yes. Medicare's clinician data says Claudia Montana-Collins accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Claudia Montana-Collins see?
- In 2024, CMS data shows 436 Original Medicare patients and 806 services for Claudia Montana-Collins. This counts Original Medicare only and measures volume, not quality.
- What is Claudia Montana-Collins's NPI number?
- 1669558557. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Claudia Montana-Collins, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 436 |
|---|---|
| Services billed to Medicare | 806 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient complete exam of visual system (92014)122 services
- Exam of visual field with extended testing (92083)105 services
- Imaging of optic nerve (92133)99 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)93 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)82 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes51%
- Arthritis39%
- Chronic kidney disease28%
- Ischemic heart disease19%
Practice locations
Addresses where Claudia Montana-Collins is enrolled with Medicare (CMS data updated October 2, 2026).
- 1595 E 17th StSanta Ana, CA 92705 (714) 984‑0788
- 23521 Paseo De Valencia, Suite 305Laguna Hills, CA 92653 (949) 581‑1770
- 8028 3rd StDowney, CA 90241 (562) 622‑8700
Group practices
Medicare enrollment lists Claudia Montana-Collins as a member of these groups (CMS data updated October 2, 2026).
- Azul Vision Inc48 clinicians in the group
- Eyecare Specialists Medical Group Inc5 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Santa Ana
Clinicians with the same Medicare primary specialty in Santa Ana, CA — not a recommendation.
Other clinicians in Azul Vision Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Pennsylvania College Of Optometry |
| Graduation year | 2002 (24 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669558557 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians